Reviewers: Jakob,
Description:
Replaced unary negation by multiplication with -1.
This fixes a deopt loop in the Epic Citadel demo and removes some code.
Apart
from that, this change is performance-neutral.
When we do something similar for BIT_NOT, the whole UnaryOp stuff can go
away.
Please review this at https://codereview.chromium.org/21782002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/arm/full-codegen-arm.cc
M src/code-stubs-hydrogen.cc
M src/hydrogen.cc
M src/ia32/full-codegen-ia32.cc
M src/mips/full-codegen-mips.cc
M src/parser.cc
M src/typing.cc
M src/x64/full-codegen-x64.cc
A + test/mjsunit/unary-minus-deopt.js
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